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Sigma (/
ˈsɪɡmə/ SIG-mə;
uppercase Σ,
lowercase σ,
lowercase in word-final
position ς;
Ancient Gr****: σίγμα) is the
eighteenth letter of the Gr**** alphabet...
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Sigma Sigma Sigma (ΣΣΣ), also
known as Tri
Sigma, is a
national American women's sorority. It was
established in 1898 at what is now
Longwood University...
- Six
Sigma (6σ) is a set of
techniques and
tools for
process improvement. It was
introduced by
American engineer Bill
Smith while working at
Motorola in...
- "
Sigma Boy" (Russian: "Сигма Бой") is a song by
Russian bloggers 11-year-old
Betsy and 12-year-old
Maria (Masha) Yankovskaya,
released as a
single by...
-
represented in
mathematical texts and
equations by the
lowercase Gr****
letter σ (
sigma), for the po****tion
standard deviation, or the
Latin letter s, for the...
-
Sigma Sigma (ΣΣ) is a men's
upperclassmen honorary fraternity at the
University of Cincinnati.
Founded in 1898, it is the
oldest of such organizations...
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sigma _{j},\
sigma _{k}\right]+\{\
sigma _{j},\
sigma _{k}\}&=(\
sigma _{j}\
sigma _{k}-\
sigma _{k}\
sigma _{j})+(\
sigma _{j}\
sigma _{k}+\
sigma _{k}\
sigma...
- -1\
sigma \leq X\leq \mu +1\
sigma )&\approx 68.27\%\\\Pr(\mu -2\
sigma \leq X\leq \mu +2\
sigma )&\approx 95.45\%\\\Pr(\mu -3\
sigma \leq X\leq \mu +3\
sigma...
-
sigma,
Sigma, Σ, σ, or ς in Wiktionary, the free dictionary.
Sigma (Σ or σ, word-final
lowercase ς) is the 18th
letter of the Gr**** alphabet.
Sigma may...
- women, or
additionally use
other letters of the Gr****
alphabet (such as
sigma). The po****rization of
these terms to
describe humans has been
widely criticized...
